Recently, aGPT2ChatbotThe mysterious robotLMsysThe robot has attracted widespread attention on the platform. It is reported that the test results of this robot are surprisingly good, which has aroused people's strong interest in the technology behind it.
There is speculation that this GPT2Chatbot may be a model that OpenAI fine-tuned using GPT2 and ran on mobile devices. This speculation is not groundless, because the performance of GPT2Chatbot is indeed very good, basically at the same level as gpt-4 and opus.
In order to allow more people to experience this mysterious GPT2Chatbot in person, LMsys provides an arena for everyone to experience it. Just go to https://chat.lmsys.org/ and select gpt2chatbot to communicate with this robot.
However, there is still some controversy about the true identity of GPT2Chatbot. Some people speculate that it may be gpt-4.5 because its performance is really outstanding. But others speculate that it may just be the result of fine-tuning based on GPT2, and believe that judging from its reasoning speed, it is impossible for a small 1B model to have such speed.
Details: https://rentry.co/GPT2